5 Maintenance
Draining and replacing the MS40+ pump oil and replacing the filter
99 Agilent Triple Quadrupole LC/MS System User Guide
Draining and replacing the MS40+ pump oil and
replacing the filter
Schedule
Replace the pump oil every six months. Replace it sooner if the oil appears dark
or cloudy.
Equipment List
• Clean chemical-resistant gloves
• Safety glasses
• Funnel
• Pair of pliers
• Filter
• Filter cap O-ring
• Small cap O-ring
• MS40 exhaust filter cap removal tool
• 10-mm hex key
• Paper towel or shop rag
• Small plastic tub
• AFV 60 Gold Oil
Steps for draining the MS40+ pump oil
1 Put on clean, chemical-resistant gloves.
2 Place the instrument into 'Standby,' then 'Vent'.
3 Allow the rough pump to turn off automatically, waiting for approximately 15
minutes.
4 Unplug all power cords.
5 Remove the inlet and outlet pipes before opening the oil drain cap.
6 Place a tank for waste oil, for example, a small plastic tub under the oil drain
plug.
7 Unscrew the oil fill cap, rotating it counterclockwise using a 10-mm hex key.
Remove it from the instrument and place it in a secure location.